Google Sites is a free, web-based platform that allows users to create simple websites without requiring extensive technical knowledge. It offers various features such as customizable templates, drag-and-drop functionality, and integration with other Google apps like YouTube, Google Maps, and Google Forms. Users can also collaborate on their sites with others, manage page versions, and publish their work with a custom domain. While it may not compare to more robust CMS platforms in terms of feature set, Google Sites is suitable for creating simple websites that require minimal customization and maintenance.